Peanuts
Despite their name, peanuts are not wild but legumes, aligning them more closely with vegetables. They grow underground like potatoes, which might surprise many who associate them with tree-grown nuts.
Peanuts require about 120 days to mature and become ready for harvest. The appearance of beautiful yellow flowers above the soil indicates their readiness. Like several other plants discussed, peanuts thrive in tropical climates, where they can reach their full potential.